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Aviation History
1912
1912 - 1092.PDF
JycHT NOVEMBER 23, 1912. and Col. Vallee, in the name of the Minister of War, congratulated Mr. Newberry on his success with his Bleriot monoplane. Deperdusslns for South America. ON the 13th inst. a number of officers from Paraguay visited the Deperdussin School at Rheims, and were so impressed with what they saw that one officer was immediately deputed to commence training. The same day a Chilian officer, Lieut. Avalos, arrived to start his schooling on the two-seater Dep., which has been purchased by his government. An American Passenger Record. ON the 12th inst., W. E. Johnson, on a Thomas biplane, accompanied by a passenger, was successful in beating the American passenger duration record, by flying for 3I1. 51m. 15s., an improve ment of 9 mins. on the old record of G. W. Beatty. ® ® ® 03 AIRSHIP NEWS. A Fast Trip bv "Hansa." THE Zeppelin liner " Hansa," on Tuesday, went from Gotha to Potsdam at a fast pace, in spite of a thick fog which rendered the helmsman's task a somewhat difficult one. The time taken for traversing the distance of 155 miles was 3 hrs. and 20 mins., so that the airship averaged a speed of a little over 46 miles an hour. The '" Hansa" is to be stationed at Potsdam during the winter, and will be engaged in passenger-carrying trips over Berlin and the vicinity. More Zeppelins for German Navy. IT is reported that the German naval authorities intend to order two more Zeppelin cruisers similar to L 1, but with more powerful engines. Their armament will consist of four quick-firing guns as well as bomb-dropping arrangements. It is proposed to make three Naval aviation centres at Kiel, Emden, and Hamburg, each to be equipped with a dirigible and a number of hydro-aeroplanes. Storm Stops " Adjudant Reau." ON Monday morning the Astra dirigible " Adjudant Reau " started from Issy for a new station at Verdun, but owing to the heavy rain the dirigible landed at Chalons Camp, where she stayed until the following morning. Trial With "Adjudant Reau." ON the 7th inst., " Adjudant Reau," with fourteen people on board, accomplished a fine voyage of two hours and a-half on an out and home course from Issy. ® ® AERONAUTICAL SOCIETY OF GREAT BRITAIN- Official Notices. The third meeting will be held on nth December, when Mr. £. H. Harper will read a paper on "The Mathematical Theory of Aeroplane Stability." Students.—Students attending regular science, engineering, or aeronautical courses at recognised technical colleges, as well as those pursuing the scientific side of aeronautics professionally, are eligible for the Students' Section, and should apply immediately if desirous of being admitted without entrance fee. BERTRAM G. COOPER, Secretary. ® ® HYDRO-AEROPLANES. The Tubavion monoplane in flight. A Spanish Height Record. AT Barcelona the other day Lacombe beat the Spanish height record by going up to 2,400 metres on his Deperdussin monoplane. M. Farmans for Japan. WHILE Maurice Farman was paying one of his usual flying literally) visits to Etampes, Chartres and Orleans, on the 12th inst., his brother Dick was testing a M. Farman biplane for the Japanese Government. Maurice Farman took a passenger on his trip, and so did M. Barbaroux, who flew in company with him. The Argentine Height Record. BY way of honouring their member, Mr. George Newberry, who had raised the Argentine height record to 2,480 metres, the Argentine Aero Club gave a banquet to the aviator on the 13th inst. Representatives of the army and navy were present, ® ® Meetings.—The second meeting of the Society for this session will be held on Wednesday, November 27th, at 8.30 p.m., at the Royal United Service Institution, Whitehall, when Lieut.-General Sir James M. Grierson, K.C.B., C.V.O., will preside. Brig.- General F. G. Stone, R.A., will read a short paper, to be followed by discussion, on " Aircraft as Targets for Artillery and Rifle Practice." Members are requested to note that under the rules they are permitted to introduce visitors to general meetings. ® ® A POPULAR scientific lecture on the above has been prepared by Mr. V. E. Johnson, M.A., plentifully illustrated With lantern slides, which should prove of considerable help to students of both models and full-sized machines. Mr. Johnson will deliver his lecture, which is divided into two parts, for the first time at the Sheffield Model Aero Club, on November 28th (see Model Club Diary for details), and the following is a syllabus :— Part I. Hydro-aeroplane defined. Brief history of the same.—Kress, Arch deacon, Bleriot, Gabriel Voisin, Fabre, Dr. Barton and Mr. Rawson, Curtiss, Voisin Canard. Monaco and St. Malo meetings. Various types.—The river type ; the sea or marine type. Chief principles involved.—The hydroplanic ; the aeroplanic. Water resistance and air support. Laws of resistance and support. Area of supporting surface; how it affects the rising from the surface of the water. The true hydroaeroplane; important part played by the float in the (ultimate) solution of the problem. The floats.—The model first taken—the hydroplane or gliding boat. The Venetian blind type ; why given up by Fabre. The Fabre float; the Catamaran float ; speed or velocity of skimming and length of float. Effects of length on resistance. Advantages of single (central) float. Balances or wing-tip floats. Stepped floats ; Knight's invention. A comparison of different float systems ; lessons from the Monaco meeting. Different systems suitable for rivers and small lakes and for rougher waters, such as the sea. How to cause floats to skim; speed at which such should commence ; necessity for steady motion ; resistance and the number of floats. Effects of aeroplanic influence on skimming velocity. Length of float and wave formation ; Froude's law ; total resistance and float displacement ; the rear portion of the float; the best shape. The construction of the floats.—Wood, framework how joined; how waterproofed, thickness of wood used, necessity for resilience, watertight compartments. The eight conditions which floats should satisfy. Relation between flotational capacity and weight of machine. The attach ment of the floats to the machine. Part IL The aeroplane on floats v. the air boat. The deciding factor— the chief difficulty to be overcome. Models—relation between experiments with models and those carried out with full-sized machines—why such experiments are likely to be of value. The minimum size of the model. Aerial yachting or hydro-aeroptaning as a sport. As an aid to exploration, &c. In war, a vision of the future. [When so desired matter of a more technical character can be substituted for Part II.] 1092
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